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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
African Gems
Andradite (var. demantoid)
Andradite (var. demantoid)
Arkose
Augen gneiss block
Basalt drill core
Basalt drill core
Basalt drill core
Basaltic cinder
Calcite on galena
Calcite with duftite
Demantoid Bracelet
Descloizite in dolomite
Fluorites
Freedom Diamond
Halite
Halite
Hemimorphite
Hoba
Hoba
Jeremejevite
Johnstown
Ludlockite with smithsonite
Malachite with azurite
Malachite with cuprite, quartz, and azurite
Manganoan calcite
Microcline (var. amazonite)
Migmatite
Olivine-basalt drill core
Peridotite xenoliths in basalt
Phosgenite
Quartz (var. agate)
Quartz (var. smoky quartz) with microcline
Rhodochrosite
Smithsonite
Spessartine
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